CN116593675A - Soil detection system and method - Google Patents
Soil detection system and method Download PDFInfo
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- CN116593675A CN116593675A CN202310688417.0A CN202310688417A CN116593675A CN 116593675 A CN116593675 A CN 116593675A CN 202310688417 A CN202310688417 A CN 202310688417A CN 116593675 A CN116593675 A CN 116593675A
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- 239000002689 soil Substances 0.000 title claims abstract description 131
- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims description 12
- 238000005070 sampling Methods 0.000 claims abstract description 62
- 238000001125 extrusion Methods 0.000 claims abstract description 38
- 238000007790 scraping Methods 0.000 claims abstract description 34
- 238000012360 testing method Methods 0.000 claims abstract description 34
- 238000003756 stirring Methods 0.000 claims abstract description 19
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000003153 chemical reaction reagent Substances 0.000 claims description 5
- 239000003814 drug Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 abstract 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a soil detection system and a soil detection method, which belong to the field of soil detection, a rotary shaft is coaxially arranged in a sampling tube of the soil detection system, a helical blade is fixed at the lower section of the rotary shaft, a pressure-bearing block sleeved on the rotary shaft is arranged above the top end of the helical blade, and a button for controlling the electromagnet to be electrified is extruded when the top of the pressure-bearing block contacts with a lever arm; the outlet of the extrusion pipe on the side wall of the sampling pipe is connected with a receiving component, the receiving component comprises a circular groove and a scraping cylinder rotatably arranged in the circular groove, the side wall of the scraping cylinder is provided with a through hole, the bottom end of the circular groove is provided with a blanking hole, a test dish is arranged below the blanking hole, the test dish is arranged on a conveying belt, and a dosing device and a stirring device are sequentially arranged in front of the conveying belt; a flashboard is vertically and slidably arranged on the joint of the extrusion pipe and the sampling pipe. When the soil conveyed by the spiral blade pushes the bearing block to a limit, the flashboard moves upwards to thoroughly expose the interface. The invention can realize the sampling and inspection integrated operation, is efficient and avoids the confusion of sample detection.
Description
Technical Field
The invention relates to the technical field of soil detection, in particular to a soil detection system and a soil detection method.
Background
In some areas, the soil degradation problem becomes serious due to the self reasons, the land utilization is unreasonable, the quantity and the quality are reduced, and the soil in some areas is not suitable for planting due to pollution, so that when the land is remedied, the soil detection is needed, the current soil detection is mostly carried out by directly taking soil samples from the site to a laboratory for detection, the sampling and the detection are separated, and the greatest problem is that the soil detection needs to be carried out manually to take soil samples at different depths one by one, then the soil samples are recorded and bagged respectively, and then the soil at the same place and different depths can be obtained by carrying out the detection in the laboratory strictly according to the comparison samples. In summary, the existing soil detection system and detection method still have the problems of large duration span and low efficiency of the whole detection process due to the discontinuity of the whole detection process.
Disclosure of Invention
The invention aims to solve the problems of the prior art, such as separation of sampling and detection, discontinuous working procedures and easy error of manual statistics management, and provides a soil detection system and method, which are efficient and practical and have the possibility of small-scale on-site detection.
In order to achieve the above purpose, the present invention provides the following technical solutions: the invention provides a soil detection system, which comprises a sampling component and a test dish, wherein the sampling component comprises a sampling pipe for being inserted into soil, a rotating shaft is coaxially arranged in the sampling pipe, a spiral blade is fixed at the lower section of the rotating shaft, a pressure block sleeved on the rotating shaft is arranged above the top end of the spiral blade, the pressure block is elastically and slidably arranged in the sampling pipe, when the top of the pressure block is contacted with a lever arm, the lever arm extrudes a button, and the button is pressed down to electrify an electromagnet;
the side wall of the sampling tube is connected with an extrusion tube, an outlet of the extrusion tube is connected with a receiving part, the receiving part comprises a circular groove and a scraping cylinder rotatably arranged in the circular groove, the side wall of the scraping cylinder is provided with a through hole capable of extruding a soil sample, a through hole connected with the outlet of the extrusion tube on the circular groove is aligned with the through hole, a blanking hole for the soil sample to fall down is arranged at the bottom end of the circular groove, the test dish is arranged below the blanking hole, the test dish is arranged on a conveying belt, and a medicine adding device and a stirring device are sequentially arranged in front of the conveying belt and respectively add reagents and stir towards the test dish;
a flashboard is vertically and slidably arranged on the joint of the extrusion pipe and the sampling pipe, the flashboard can be pulled upwards by the electromagnet to expose the joint, and the electromagnet moves downwards to reset to close the joint when the electromagnet is powered off;
when the spiral blade is upward conveyed, the pressure bearing block is pushed upward to the limit position by the soil, the electromagnet is electrified, and the flashboard moves upward to thoroughly expose the interface.
Specifically, the sliding sleeve of pressure block top fixedly connected with slidable mounting in the sampling pipe, sliding sleeve axial slidable mounting is in the baffle, and the baffle is fixed in the sampling pipe be connected with cylindrical spring between pressure block and the baffle, cylindrical spring cover is outside the pivot, the top of sliding sleeve can with the one end contact of lever arm drives the lever arm and rotates. The other end of the lever arm is hinged with the pipe wall of the sampling pipe, the button is a normally open button, and the other end of the lever rotates downwards to press the button. The inner wall of the sampling tube is also convexly fixed with a limiting block, the limiting block can be contacted with one side of the top end of the sliding sleeve, and the button is pressed down in place at the moment.
The flashboard comprises a flashboard piece, and an upper slide bar and a lower slide bar which are all L-shaped and fixed at the upper end and the lower end of the flashboard piece, wherein the horizontal section of the upper slide bar can be attracted with the electromagnet, the lower slide section is connected with the upper slide bar through a vertically arranged top support spring, and the top support spring pushes the flashboard piece downwards to a position where the interface is closed in a non-working state. The upper slide bar and the lower slide bar are both arranged on the same side of the brake pad in an offset manner, and the interface is arranged on the other side of the brake pad in an opposite offset manner.
Preferably, the extrusion channel of the extrusion tube tapers from said interface towards the outlet end of the extrusion tube, and the channel at the outlet end of the extrusion channel is a horizontal channel. Specifically, the inside of scraping the section of thick bamboo has a coaxial ring shape cavity with it, and the bottom of ring shape cavity is leaned on the through-hole department is equipped with a leak, and the extruded soil sample falls in the region that the leak is located the circular slot is kept away from the bottom of via hole one side is equipped with the blanking hole, scrape the section of thick bamboo of taking and scrape the section of thick bamboo in intermittent type nature rotation in-process the soil sample rotates to the position that the leak overlaps with the blanking hole along with scraping the section of thick bamboo, falls down through the blanking hole. The end edge of one end of the through hole is vertically fixed with a push plate, and the push plate can push the soil sample in the region where the leak is located to rotate along with the scraping cylinder.
As another design detail of the invention, an arc-shaped chute is arranged on the inner side wall of the bottom of the round groove, an insert block is convexly fixed on the outer side wall of the bottom of the scraping cylinder, the insert block is in sliding fit with the chute, and when the insert block slides to one end of the chute, the through hole is aligned with the through hole.
Based on the soil detection system, the invention also correspondingly provides a soil detection method:
1. the bottom end of the sampling tube is vertically inserted into site soil, if the soil is dry, water is added to wet the soil, and driving equipment of the rotating shaft is opened to enable the rotating shaft to rotate, and the spiral blades are matched with the inner wall of the sampling tube to convey the soil entering the bottom end of the sampling tube upwards.
2. With the increase of the accumulated soil on the top of the spiral blade, the pressure-bearing block moves upwards gradually to push the lever arm upwards, the other end of the lever arm moves downwards to press the button downwards, the electromagnet is powered on, the flashboard is pulled upwards to move upwards to expose the interface, and the soil accumulated below the pressure-bearing block at the moment is gushed out from the interface.
3. After entering the extrusion pipe, the soil is gradually shaped and extruded into a strip-shaped structure to form a soil sample, the soil sample is extruded into the scraping cylinder through the circular groove, and the soil is transported by the scraping cylinder and falls out through the bottom of the circular groove.
4. After falling soil samples enter a test dish on the conveying belt, the falling soil samples pass through the lower part of the dosing device for a period of time, after dosing is finished, the conveying belt continues to convey, and when the falling soil samples pass through the lower part of the stirring device, the falling soil samples stay for a period of time, the stirring device moves vertically downwards to be inserted into the test dish and is stirred, and after stirring is finished, the falling soil samples continue to convey to a reaction area for standing and reaction.
Compared with the prior art, the invention has the following beneficial effects: the invention is carried out by the association of sampling and detection, and the shallower soil layer is detected earlier, thereby being beneficial to automatic grouping induction. Specifically, the sampling tube is mechanically inserted into a soil layer, the soil sample is continuously conveyed upwards by combining the axial conveying action of the helical blade, and the soil sample is not discharged from the extrusion pipeline at the beginning of conveying, so that the problems that the soil sample is dispersed and output during conveying and is unfavorable for transportation and independent test are avoided, the soil sample is extruded from the extrusion pipeline only when the soil sample is accumulated to a certain amount, and the soil sample is sequentially and rotationally transported batch by batch, and then is subjected to dosing, stirring and reaction detection, so that the soil sample can be sequentially and automatically output according to different depths and is independently detected; meanwhile, the continuous operation of sampling and detection can be effectively realized, the working efficiency is high, and because the sample conveying and detection are sequentially carried out according to the depth during sampling, the error of manual sequencing statistics can not occur, and the consistency of detection data and samples is high.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a construction of the present invention;
FIG. 2 is a block diagram of a receiving member of the present invention;
FIG. 3 is a right side view of the ram of FIG. 1;
FIG. 4 is a top view of the ram of FIG. 1;
FIG. 5 is a mating block diagram of the scraping drum and the circular groove;
FIG. 6 is a cross-sectional view of the structure shown in FIG. 5;
fig. 7 is a cross-sectional view of the wiper cartridge of the configuration shown in fig. 2.
The reference numerals are explained as follows: sampling tube 1, pivot 2, helical blade 3, pressure-bearing piece 4, cylinder spring 5, sliding sleeve 6, baffle 7, stopper 8, lever arm 9, electro-magnet 10, upper slide bar 11, brake pad 12, lower slide bar 13, top support spring 14, extrusion tube 15, circular slot 16, scrape section of thick bamboo 17, cylindrical cavity 18, via hole 19, through-hole 20, leak 21, blanking hole 22, transmission band 23, motor 24, push pedal 25, interface 26, spout 27, inserted block 28.
Detailed Description
In order to make the technical means, creation characteristics, achievement purposes and functions of the present invention more clear and easy to understand, the technical scheme of the present invention will be described in detail below. It will be appreciated by those skilled in the art that the following examples illustrate only some, but not all, of the specific embodiments of the invention and that the scope of the invention is not limited thereto.
Referring to fig. 1, first, the present embodiment discloses a soil testing system, which, like some existing soil testing systems, includes a sampling member and a test dish, the sampling member includes a sampling tube 1 for insertion into soil, the sampling tube 1 has a cylindrical tubular structure, and a wedge-shaped structure is formed at the bottom end thereof for insertion into soil for sampling. Meanwhile, a rotating shaft 2 is coaxially arranged in the sampling tube 1, a helical blade 3 is fixed at the lower section of the rotating shaft 2, a pressure-bearing block 4 sleeved on the rotating shaft 2 is arranged above the top end of the helical blade 3, the pressure-bearing block 4 is elastically and slidably arranged in the sampling tube 1, and particularly, the pressure-bearing block 4 can axially slide on the rotating shaft 2, and the dynamic sealing sliding is preferable. When the top of the pressure-bearing block 4 is in contact with the lever arm 9, the lever arm 9 presses a button, and the electromagnet 10 is electrified after the button is pressed, so that the normally open button is quite common and can be directly purchased in the market.
In addition, with continued reference to fig. 1, in this embodiment, the side wall of the sampling tube is connected with an extrusion tube 15, and this extrusion tube 15 is mainly used for outputting soil samples, and for some soils, it is also possible to compress the soil samples that flow into the extrusion tube 15, and finally obtain columnar samples, so that the whole samples can be sampled and transported, therefore, it is preferable that the extrusion channel of the extrusion tube 15 is gradually reduced from the interface 26 toward the outlet end of the extrusion tube 15, and is similar to a teapot mouth structure, and the channel at the outlet end of the extrusion channel is preferably a horizontal channel, so as to be connected with the material receiving component, and meanwhile, the installation of the material receiving component is facilitated, and the interface 26 is the interface between the extrusion tube 15 and the sampling tube. During actual manufacture, the outlet of the extrusion pipe 15 is connected with a receiving component, the receiving component comprises a circular groove 16 and a scraping cylinder 17 rotatably arranged in the circular groove 16, a through hole 20 capable of extruding a soil sample is formed in the side wall of the scraping cylinder 17, the through hole 20 can be a loudspeaker Kong Weiyi, finally, a sample column is compressed again or output in a concentrated mode as much as possible, scattering is avoided, and for moist soil, the sample column is better in molding and is not scattered easily. The through hole 19 connected with the outlet of the extrusion tube 15 on the circular groove 16 is aligned with the through hole 20, a blanking hole 22 for the soil sample to fall is arranged at the bottom end of the circular groove 16, a test dish is arranged below the blanking hole 22, the test dish can be a measuring cup and the like, the test dish is arranged on a conveying belt 23, a dosing device (not shown in the figure) and a stirring device (not shown in the figure) are sequentially arranged in front of the conveying belt 23, reagents and stirring are respectively added into the test dish, the reagents can be mixed liquid after the reagents and water are mixed, and the specific quantity is suitable for selection.
Correspondingly, based on the above structure, as a necessary key design structure of the invention, as shown in fig. 1 and 3-4, a gate plate is vertically and slidably arranged on the interface 26 where the extrusion pipe 15 is connected with the sampling pipe, and considering the smoothness of the output sample of the interface 26, for this purpose, as shown in fig. 1, it is preferable that the bottom end of the pressure-bearing block 4 is a convex cambered surface, and the cambered surface is favorable for the gathered soil sample to surge and extrude towards one side of the interface 26, and when the convex cambered surface is moved up to a limit position, the right side edge is matched with the end of the interface 26, so as to be favorable for conveying. And, the flashboard can be pulled upwards by the electromagnet 10 to expose the interface 26, when the electromagnet 10 is powered off, the flashboard automatically moves downwards to reset to close the interface 26, and the extrusion of soil samples is stopped, wherein the reset is that the sampling tube 1 is not continuously inserted downwards when the whole detection system is stopped, otherwise, the flashboard is not automatically reset, because the soil continuously gushed towards the outer side of the sampling tube 1 under high pressure cannot allow the flashboard to be easily reset under the action of a shoring spring 14. For the magnetic attraction operation of the flashboard, when the soil conveyed upwards by the helical blade 3 pushes the pressure-bearing block 4 upwards to the limit position, the electromagnet 10 is electrified, the flashboard moves upwards to thoroughly expose the interface 26, and the linkage control operation of extruding the soil sample is easily realized.
Based on the above soil detection system, the present embodiment specifically describes a soil detection method, especially for detecting wet or high-viscosity soil, which mainly consists in continuous sampling and detection. Firstly, the bottom end of the sampling tube 1 is vertically inserted into the on-site soil, if the soil is dry, the detection of a specific soil object is not affected (a small part of the soil cannot be added with water due to a specific detection item, otherwise, the detection index is affected), the soil is recommended to be wetted by adding water first (the soil is not required to be wetted by adding water as much as possible in the subsequent detection and then waiting for a long time), on the one hand, the sampling tube 1 is not easy to insert or not easy to insert to a given depth in order to avoid the soil being too hard, and on the other hand, the spiral blade 3 can be better crushed and conveyed, and a columnar or strip-shaped structure is formed under the extrusion action of the extrusion tube 15. The driving device of the rotating shaft 2 is opened, the driving device can be a motor and the like, the rotating shaft 2 rotates, the helical blade 3 is matched with the inner wall of the sampling tube 1 to form strong upward conveying capacity, soil entering the bottom end of the sampling tube is conveyed upward, and the soil is gathered between the top end of the helical blade 3 and the lower part of the pressure-bearing block 4.
Then, the sampling tube 1 continues to move downwards, as the soil accumulated on the top of the helical blade 3 increases, the pressure-bearing block 4 moves upwards gradually to push the lever arm 9 upwards, the other end of the lever arm 9 moves downwards to push the button downwards, the electromagnet 10 is powered on, the flashboard is pulled upwards to move upwards to expose the interface 26, and the soil accumulated under the pressure-bearing block 4 at the moment gushes out from the interface 26 which is just opened; thus, after entering the extrusion pipe 15, the moist soil is gradually shaped and extruded into a strip-shaped structure to form a soil sample, and the soil sample can not be extruded into the scraping cylinder 17 through the circular groove 16 in a concentrated manner, and is transported by the scraping cylinder 17 and then falls out through the bottom of the circular groove 16 for automatic conveying to a detection position. The scraping cylinder 17 can be driven to rotate by electric force, or a handle is arranged, and the handle extends out of the top end of the circular groove 16 and can be manually rotated.
Finally, the falling soil sample is put under the dosing device after entering the test dish on the conveyor belt 23, and stays for a certain period of time, for example, a few drops of water can be added to wet the soil as required, if the soil is already wet when the sampling tube 1 is inserted, and this operation is not necessary. After the medicine is added, the conveying belt 23 continues to convey, and stays for a period of time when passing under the stirring device; for example, if perchloric acid is adopted for detection, a test dish which moves in place can be heated, if the color of the solution is still black or brown, 10 drops of perchloric acid can be added again and then the heating is continued, the heating can be carried out simultaneously with stirring, the stirring device is vertically moved down to be inserted into the test dish and is stirred, and after the stirring is finished, the stirring device is continuously conveyed to a reaction area for standing and reaction.
As a specific implementation structure, in this embodiment, as shown in fig. 1, the top end of the pressure-bearing block 4 is fixedly connected with a sliding sleeve 6 slidably mounted in the sampling tube, the sliding sleeve 6 is axially slidably mounted in a partition 7, the partition 7 is fixed in the sampling tube, a cylindrical spring 5 is connected between the pressure-bearing block 4 and the partition 7, the cylindrical spring 5 is sleeved outside the rotating shaft 2, and the top end of the sliding sleeve 6 can be contacted with one end of a lever arm 9 to drive the lever arm 9 to rotate, so that elastic sliding mounting is well realized. In more detail, the other end of the lever arm 9 is hinged with the pipe wall of the sampling pipe, so that the lever arm 9 is driven more smoothly and more labor-saving. The button is a normally open button, and the other end of the lever rotates downwards to press the button. The inner wall of the sampling tube is also convexly fixed with a limiting block 8, the limiting block 8 can be contacted with one side of the top end of the sliding sleeve 6, and the button is pressed down in place at the moment, so that on one hand, the pressing function of the set button is reliable, and in addition, the excessive pushing lever arm 9 and overload protection are also protected.
As shown in fig. 3-4, the above gate plate includes a gate plate 12, and an upper slide bar 11 and a lower slide bar 13 which are both L-shaped and fixed at the upper and lower ends of the gate plate 12, wherein the horizontal section of the upper slide bar 11 can attract the electromagnet 10, the lower slide section is connected through a vertically arranged top support spring 14, and in a non-working state, the top support spring 14 pushes the gate plate 12 down to a position where the interface 26 is closed, so that the gate plate is effectively closed. Particularly, in this embodiment, as shown in the drawing, the upper slide bar 11 and the lower slide bar 13 are both disposed at the same side of the gate 12, and the interface 26 is disposed at the other side of the gate 12 in a relatively biased manner, so that interception of the interface 26 by the slide bars during up-and-down movement of the gate can be avoided, and the interface 26 can be fully opened.
In a more specific manufacturing structure, as shown in fig. 2, 5 and 7, a circular cavity coaxial with the scraping cylinder 17 is arranged in the scraping cylinder 17, a leak 21 is arranged at the bottom of the circular cavity near the through hole 20, an extruded soil sample falls into a region where the leak 21 is located, a blanking hole 22 is arranged at the bottom of one side of the circular groove 16 far away from the through hole 19, and during intermittent rotation of the scraping cylinder 17, as the original through hole 19 and the through hole 20 are aligned, once the two are relatively rotated, an outlet of a soil sample is blocked, and if a strip-shaped soil sample column is scraped into a section or a section, the scraped section of soil sample or the part of the soil sample entering the section of the scraping soil sample is fallen down through the blanking hole 22 along with the rotation of the scraping cylinder 17 to a position where the leak 21 overlaps the blanking hole 22, successive batch-by-batch automatic blanking is formed, and double control is skillfully realized corresponding to the opening and closing functions of a front flashboard. In order to enable the sample to be transferred along with the rotation of the scraping cylinder 17, it is recommended that a pushing plate 25 is vertically fixed at the end edge of one end of the leak 21 away from the through hole 20, and the pushing plate 25 can push the soil sample in the area where the leak 21 is located to rotate along with the scraping cylinder 17, so that the soil sample is more fully transferred.
In order to realize the initial installation and positioning of the scraping cylinder 17 in the circular groove 16, as shown in fig. 6, an arc-shaped sliding groove 27 is formed on the inner side wall of the bottom of the circular groove 16, an insert block 28 is convexly fixed on the outer side wall of the bottom of the scraping cylinder 17, the insert block 28 is in sliding fit with the sliding groove 27, and when the insert block 28 slides to one end of the sliding groove 27, the through hole 19 and the through hole 20 are aligned, so that the through hole 19 and the through hole 20 can be aligned during installation.
It should be further noted that, in the present disclosure, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Therefore, it will be appreciated by those skilled in the art that any modifications and equivalent substitutions of the present embodiment without departing from the technical spirit of the present invention can be made by those skilled in the art based on the technical principles disclosed in the present invention, and the present invention is also intended to be within the scope of the present invention.
Claims (10)
1. A soil testing system comprising a sampling member and a test dish, characterized in that: the sampling component comprises a sampling pipe (1) which is used for being inserted into soil, a rotating shaft (2) is coaxially arranged in the sampling pipe (1), a spiral blade (3) is fixed at the lower section of the rotating shaft (2), a pressure-bearing block (4) sleeved on the rotating shaft (2) is arranged above the top end of the spiral blade (3), the pressure-bearing block (4) is elastically and slidably arranged in the sampling pipe (1), when the top of the pressure-bearing block (4) is contacted with a lever arm (9), the lever arm (9) extrudes a button, and an electromagnet (10) is electrified after the button is pressed down;
the side wall of the sampling tube is connected with an extrusion tube (15), the outlet of the extrusion tube (15) is connected with a receiving component, the receiving component comprises a circular groove (16) and a scraping tube (17) rotatably arranged in the circular groove (16), the side wall of the scraping tube (17) is provided with a through hole (20) capable of extruding a soil sample, a through hole (19) connected with the outlet of the extrusion tube (15) on the circular groove (16) is aligned with the through hole (20), the bottom end of the circular groove (16) is provided with a blanking hole (22) for the soil sample to fall down, the blanking hole (22) can be communicated with the scraping tube (17) which rotates in place, the test dish is arranged below the blanking hole (22), the test dish is arranged on a conveying belt (23), and a medicine adding device and a stirring device are sequentially arranged in front of the conveying belt (23) and are respectively added with reagents and stirred in the test dish;
a flashboard is vertically and slidably arranged on an interface (26) at the joint of the extrusion pipe (15) and the sampling pipe, the flashboard can be pulled upwards by the electromagnet (10) to expose the interface (26), and the electromagnet (10) moves downwards to reset to seal the interface (26) when the electromagnet is powered off;
when the soil conveyed upwards by the spiral blade (3) pushes the pressure-bearing block (4) upwards to a limit position, the electromagnet (10) is electrified, and the flashboard moves upwards to thoroughly expose the interface (26).
2. A soil testing system according to claim 1, wherein: the utility model discloses a measuring device, including pressure block (4) and lever arm (9), pressure block (4) top fixedly connected with sliding sleeve (6) of slidable mounting in the sampling pipe, sliding sleeve (6) axial slidable mounting is in baffle (7), and baffle (7) are fixed in the sampling pipe be connected with cylinder spring (5) between pressure block (4) and baffle (7), cylinder spring (5) cover is outside pivot (2), the top of sliding sleeve (6) can with the one end contact of lever arm (9) drives lever arm (9) and rotates.
3. A soil testing system according to claim 2, wherein: the other end of the lever arm (9) is hinged with the pipe wall of the sampling pipe, the button is a normally open button, and the other end of the lever rotates downwards to press the button.
4. A soil testing system according to claim 3, wherein: the inner wall of the sampling tube is also convexly fixed with a limiting block (8), the limiting block (8) can be contacted with one side of the top end of the sliding sleeve (6), and the button is pressed down in place at the moment.
5. A soil testing system according to claim 1, wherein: the flashboard comprises a flashboard piece (12), and an upper slide bar (11) and a lower slide bar (13) which are all L-shaped and fixed at the upper end and the lower end of the flashboard piece (12), wherein the horizontal section of the upper slide bar (11) can be attracted by the electromagnet (10), the lower slide section is connected through a vertically arranged propping spring (14), and the flashboard piece (12) is propped down to a position where the interface (26) is closed by the propping spring (14) under the non-working state.
6. A soil testing system according to claim 5, wherein: the upper slide bar (11) and the lower slide bar (13) are both arranged on the same side of the brake pad (12) in an offset mode, and the interface (26) is arranged on the other side of the brake pad (12) in an opposite offset mode; the extrusion channel of the extrusion pipe (15) is gradually reduced from the interface (26) towards the outlet end of the extrusion pipe (15), and the channel at the outlet end of the extrusion channel is a horizontal channel.
7. A soil testing system according to claim 1, wherein: the inside of scraping a section of thick bamboo (17) has a coaxial ring-shaped cavity with it, and the bottom of ring-shaped cavity is leaned on through-hole (20) department is equipped with a leak (21), and the soil sample of extruding falls in the region that leak (21) are located the circular slot (16) is kept away from the bottom of via hole (19) one side is equipped with blanking hole (22), scrape a section of thick bamboo (17) and scrape in intermittent type nature rotation in-process the soil sample is scraped and is got when rotating the position that overlap to leak (21) and blanking hole (22) along with scraping a section of thick bamboo (17), falls down through blanking hole (22).
8. A soil testing system according to claim 7, wherein: the end edge of one end of the leak (21) far away from the through hole (20) is vertically fixed with a push plate (25), and the push plate (25) can push a soil sample in an area where the leak (21) is located to rotate together with the scraping cylinder (17).
9. A soil testing system according to claim 1, wherein: the bottom inner side wall of the circular groove (16) is provided with an arc-shaped sliding groove (27), an inserting block (28) is convexly fixed on the bottom outer side wall of the scraping cylinder (17), the inserting block (28) is in sliding fit with the sliding groove (27), and when the inserting block (28) slides to one end of the sliding groove (27), the through hole (19) is aligned with the through hole (20).
10. A soil detection method, characterized in that the soil detection system according to any one of claims 1 to 9 is employed;
1) vertically inserting the bottom end of the sampling tube (1) into on-site soil, if the soil is dry, firstly adding water to wet the soil, and opening driving equipment of the rotating shaft (2) to enable the rotating shaft (2) to rotate, wherein the spiral blades (3) are matched with the inner wall of the sampling tube (1), and the soil entering the bottom end of the sampling tube is conveyed upwards;
2) As the accumulated soil on the top of the spiral blade (3) increases, the pressure-bearing block (4) moves upwards gradually to push the lever arm (9) upwards, the other end of the lever arm (9) moves downwards to press the button downwards, the electromagnet (10) is powered on, the flashboard is pulled upwards to move upwards to expose the interface (26), and the soil accumulated under the pressure-bearing block (4) at the moment gushes out from the interface (26);
3) After entering the extrusion pipe (15), the soil is gradually shaped and extruded into a strip-shaped structure to form a soil sample, the soil sample is extruded into the scraping cylinder (17) through the circular groove (16), and the soil sample falls out through the bottom of the circular groove (16) after being transported by the scraping cylinder (17);
4) After the falling soil sample enters a test dish on the conveying belt (23), the falling soil sample passes through the lower part of the dosing device for a period of time, after dosing is finished, the conveying belt (23) continues to convey, when the falling soil sample passes through the lower part of the stirring device, the falling soil sample stays for a period of time again, the stirring device moves vertically downwards to be inserted into the test dish for stirring operation, and after stirring is finished, the falling soil sample continues to convey to a reaction area for standing and reacting.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117554594A (en) * | 2023-11-21 | 2024-02-13 | 江苏宜测检测科技有限公司 | Soil detection equipment and detection method thereof |
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